82968278616 has 80 divisors (see below), whose sum is σ = 232940759040. Its totient is φ = 27590310720.

The previous prime is 82968278597. The next prime is 82968278647. The reversal of 82968278616 is 61687286928.

82968278616 is a `hidden beast` number, since 8 + 2 + 9 + 6 + 8 + 2 + 7 + 8 + 616 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 120745 + ... + 424871.

It is an arithmetic number, because the mean of its divisors is an integer number (2911759488).

Almost surely, 2^82968278616 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 82968278616, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (116470379520).

82968278616 is an abundant number, since it is smaller than the sum of its proper divisors (149972480424).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

82968278616 is a wasteful number, since it uses less digits than its factorization.

82968278616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 304566 (or 304553 counting only the distinct ones).

The product of its digits is 27869184, while the sum is 63.

The spelling of 82968278616 in words is "eighty-two billion, nine hundred sixty-eight million, two hundred seventy-eight thousand, six hundred sixteen".